Sec

The Sec function calculates the sekan of the specified value. The angle to calculate must be specified in radians.

Syntax
Sec(Value)
Return value
Type	Description
Double	Sekan of Value
Parameter
Use	Name	Type	Passing	Description
Required	Value	Double	ByVal	Value for determining the sekan

In the right-angled triangle, the sekan is the ratio of the hypothenuse to the ancathete and thus the inverse function of the cosine function.